It seems that some proposed ramp lengths should be shorter. How are ramp lengths determined?
Ramp lengths are determined by the type of facility (for example, freeway, toll facility, etc.) and existing topography, and in Texas, are designed to conform to standards set forth by the American Association of State Highway and Transportation Officials (AASHTO) and the Texas Department of Transportation. For toll facilities, ramp lengths must be long enough to assure the safe operations of the ramp toll collection facilities and to allow for optimal merging operations on and off the mainlanes.
